US5256126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abdominal and back exercising device
Assignee: Grote Sport Inc
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Filing: 1992-02-05
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Granted: 1993-10-26
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Expires: 2012-02-05
Abstract
Abstract An apparatus for exercising the abdominal and lower back muscles of a human exerciser is provided in which a frame supports a seat and a pivotable barrier. The exerciser adjusts the seat and the pivotable barrier along the length of the frame. A resilient member connects the pivotable barrier to the frame and opposes rotation of the barrier in a direction away from the seat. By opposing this rotation, the resilient member permits the user of the apparatus to exercise his abdominal muscles when he pushes against the barrier when he faces the barrier and to exercise his lower back muscles when he pushes against the barrier when he faces away from the barrier.
Inventors
- 👤 Todd Grotstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/055; A63B23/00; A63B23/02; A63B23/0205; A63B23/0211; A63B23/0233; A63B71/00; A63B71/02; A63B71/023; A63B2071/026; A63B2071/027; A63B21/00058; A63B21/00069; A63B21/023; A63B21/04; A63B21/0407; A63B21/0421; A63B21/0552; A63B21/0557; A63B2208/00; A63B2208/02; A63B2208/0228; A63B2208/0233; A63B2210/00; A63B2210/50
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
194 words
An apparatus for exercising the abdominal and back muscles of a human exerciser comprising: a. a frame, said frame including a horizontal member, said horizontal member supported on each end thereof by a pair of legs, said horizontal member provided with a plurality of spaced apart apertures, at least one of said pair of legs being provided with an extension member, said extension member including a padded cross member; b. a seat member adapted to be supported on said horizontal member, said seat member provided with means to adjust its position along said horizontal member; c. a pivotable lever mounted on said horizontal member, said pivotable lever provided with means to adjust its position along said horizontal member; d. resilient means connecting said pivotable lever and said horizontal member wherein a force applied against said pivotable lever in a direction opposite said seat member is opposed by said resilient means; e. an eccentric connecting means pivotally connecting said padded cross member to said extension for allowing said padded cross member to be eccentrically rotated about an axis thereby allowing a raising or lowering of said padded cross member against the knees of an exerciser.
Claim 2
Independent Claim
194 words
An apparatus for exercising the abdominal and back muscles of a human exerciser comprising: a. a frame, said frame including a horizontal member, said horizontal member supported on each end thereof by a pair of legs, said horizontal member provided with a plurality of spaced apart apertures, at least one of said pair of legs being provided with an extension member, said extension member including a padded cross member; b. a seat member adapted to be supported on said horizontal member, said seat member provided with means to adjust its position along said horizontal member; c. a pivotable lever mounted on said horizontal member, said pivotable lever provided with means to adjust its position along said horizontal member; d. resilient means connecting said pivotable lever and said horizontal member wherein a force applied against said pivotable lever in a direction opposite said seat member is opposed by said resilient means; e. an eccentric connecting means pivotally connecting said padded cross member to said extension for allowing said padded cross member to be eccentrically rotated about an axis thereby allowing a raising or lowering of said padded cross member against the knees of an exerciser.
Claim 3
Dependent Claim
48 words
The apparatus of claim 1 wherein said seat member is secured to said horizontal member by means of a pin, said pin passing through an aperture provided in a base of said seat member and through one of said plurality of spaced apart apertures on said horizontal member.
Claim 4
Dependent Claim
61 words
The apparatus of claim 1 wherein said pivotable lever comprises a pair of side members mounted on said horizontal member by means of a pivot pin, the upper portion of said side member being connected by a padded cross piece adapted for being pushed by the human exerciser, and a lower portion of said member being connected to said resilient means.
Claim 5
Dependent Claim
14 words
The apparatus of claim 3 wherein said pair of side members are generally serpentine.
Claim 6
Dependent Claim
20 words
The apparatus of claim 1 wherein said legs are adapted to be folded underneath said horizontal member for easy storage.
Claim 7
Dependent Claim
76 words
The apparatus of claim 5 further comprising hinge means provided on each of said pair of legs, said hinge means provided at different locations on each said pair of legs to permit a first of said pair of legs to be folded about its said hinge means underneath said horizontal member and the other of said pair of legs to be folded about its said hinge means underneath said folded first of said pair of legs.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-10-25 | 1997-04-26 | 1997-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-25 | 2001-04-26 | 2001-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-25 | 2005-04-26 | 2005-10-26 | $7700.00 | Window Closed / Lapsed |